diff options
| author | Marc Zyngier <maz@kernel.org> | 2026-01-23 19:16:37 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2026-01-25 16:17:21 +0000 |
| commit | 65d00e37b17f46a21e7a25e0fb211a4c33274a83 (patch) | |
| tree | 1619d3fa1ec73ca1d87ce1173e6066125f8afc59 | |
| parent | 4f27fe82aa304c50b24f92da72b4895cf73b54ba (diff) | |
KVM: arm64: Simplify PAGE_S2_MEMATTR
Restore PAGE_S2_MEMATTR() to its former glory, keeping the use of
FWB as an implementation detail.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Link: https://patch.msgid.link/20260123191637.715429-6-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
| -rw-r--r-- | arch/arm64/include/asm/pgtable-prot.h | 4 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp/pgtable.c | 5 |
2 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h index 161e8660eddd..d27e8872fe3c 100644 --- a/arch/arm64/include/asm/pgtable-prot.h +++ b/arch/arm64/include/asm/pgtable-prot.h @@ -109,10 +109,10 @@ static inline bool __pure lpa2_is_enabled(void) #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC) #define PAGE_KERNEL_EXEC_CONT __pgprot(_PAGE_KERNEL_EXEC_CONT) -#define PAGE_S2_MEMATTR(attr, has_fwb) \ +#define PAGE_S2_MEMATTR(attr) \ ({ \ u64 __val; \ - if (has_fwb) \ + if (cpus_have_final_cap(ARM64_HAS_STAGE2_FWB)) \ __val = PTE_S2_MEMATTR(MT_S2_FWB_ ## attr); \ else \ __val = PTE_S2_MEMATTR(MT_S2_ ## attr); \ diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 00e33a16494b..a6f7533ce497 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -653,13 +653,12 @@ void kvm_tlb_flush_vmid_range(struct kvm_s2_mmu *mmu, #define KVM_S2_MEMATTR(pgt, attr) \ ({ \ - bool __fwb = cpus_have_final_cap(ARM64_HAS_STAGE2_FWB); \ kvm_pte_t __attr; \ \ if ((pgt)->flags & KVM_PGTABLE_S2_AS_S1) \ - __attr = PAGE_S2_MEMATTR(AS_S1, __fwb); \ + __attr = PAGE_S2_MEMATTR(AS_S1); \ else \ - __attr = PAGE_S2_MEMATTR(attr, __fwb); \ + __attr = PAGE_S2_MEMATTR(attr); \ \ __attr; \ }) |